package com.itheima.mapper;

import com.itheima.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    //查询所有部门
    @Select("select * from dept")
    List<Dept> list();

    //根据id删除部门
    @Delete("delete from dept where id=#{id}")
    int deleteById(Integer id);

    //新增部门
    @Insert("insert into dept(name,create_time,update_time) values(#{name},#{createTime},#{updateTime})")
    int save(Dept dept);

    //根据id查询部门
    @Select("select id, name, create_time, update_time from dept where id = #{id}")
    Dept getById(Integer id);

    //修改部门名称
    @Update("update dept set name=#{name},update_time=#{updateTime} where id=#{id}")
    void update(Dept dept);
}
